Schema:
Ref_Document_Types (Document_Type_Code, Document_Type_Name, Document_Type_Description)
Ref_Budget_Codes (Budget_Type_Code, Budget_Type_Description)
Projects (Project_ID, Project_Details)
Documents (Document_ID, Document_Type_Code, Project_ID, Document_Date, Document_Name, Document_Description, Other_Details)
Statements (Statement_ID, Statement_Details)
Documents_with_Expenses (Document_ID, Budget_Type_Code, Document_Details)
Accounts (Account_ID, Statement_ID, Account_Details)
Please answer with SQL.